Audio
音楽室
DTM environment: 音楽ツクールDX
Birthday
Audio Player
Dragon Road
Audio Player
Shiny Blue
Audio Player
Rising Sun
Audio Player
Church
Audio Player
Graveyard
Audio Player
South Valley
Audio Player
Green Hills
Audio Player
Foggy Village
Audio Player
Ninja Town
Audio Player
Wish
Audio Player
Walking in The Park
Audio Player
Stairs (SE)
Audio Player
They are free to use, as long as you adhere to the terms of the MIT license.
Download them here.